My x2go client will stay connected for a while, then crash. I have an ssh connection open to the same box and it stays up, as does an RDP session, so I'm thinking internet connection problems are not an issue.
NXPROXY - Version 3.5.0
Copyright (C) 2001, 2010 NoMachine. See http://www.nomachine.com/ for more information.
Info: Proxy running in client mode with pid '217845'. Session: Starting session at 'Tue Dec 12 01:40:17 2017'. Info: Using abstract X11 socket in kernel namespace for accessing DISPLAY=:0. Info: Connecting to remote host 'localhost:42406'. Info: Connection to remote proxy 'localhost:42406' established. " x2go-DEBUG-../src/sshprocess.cpp:109> New TCP connection. x2go-DEBUG-../src/sshprocess.cpp:114> New socket: 18 x2go-DEBUG-../src/sshmasterconnection.cpp:1517> Creating new channel.
x2go-DEBUG-../src/sshmasterconnection.cpp:1521> New channel:0x7fbb68001330
x2go-DEBUG-../src/sshmasterconnection.cpp:1527> Forwarding new channel, local port: 51900
x2go-DEBUG-../src/sshmasterconnection.cpp:1545> New channel forwarded.
x2go-DEBUG-../src/onmainwindow.cpp:6071> Proxy wrote on stderr: "Info: Connection with remote proxy completed. Warning: Unrecognized session type 'unix-kde-depth_24'. Assuming agent session. " x2go-DEBUG-../src/onmainwindow.cpp:6071> Proxy wrote on stderr: "Info: Using WAN link parameters 768/24/1/0. Info" x2go-DEBUG-../src/onmainwindow.cpp:6071> Proxy wrote on stderr: ": Using cache parameters 4/4096KB/8192KB/8192KB. Info: Using pack method '16m-jpeg-9' with session 'unix-kde-depth_24'. Info: Using ZLIB data compression 1/1/32. Info: Using ZLIB stream compression 1/1. Info: No suitable cache file found. Info: Forwarding X11 connections to display ':0'. Session: Session started at 'Tue Dec 12 01:40:17 2017'. " x2go-DEBUG-../src/onmainwindow.cpp:10970> "Searching proxy window: X2GO-andrew-51-1513021653_stDMATE_dp24" x2go-DEBUG-../src/onmainwindow.cpp:12575> "Searching window with title: X2GO-andrew-51-1513021653_stDMATE_dp24" x2go-DEBUG-../src/onmainwindow.cpp:6071> Proxy wrote on stderr: "Info: Established X server connection. " x2go-DEBUG-../src/onmainwindow.cpp:6071> Proxy wrote on stderr: "Info: Using shared memory parameters 0/0K. " x2go-DEBUG-../src/onmainwindow.cpp:10970> "Searching proxy window: X2GO-andrew-51-1513021653_stDMATE_dp24" x2go-DEBUG-../src/onmainwindow.cpp:12575> "Searching window with title: X2GO-andrew-51-1513021653_stDMATE_dp24" x2go-DEBUG-../src/onmainwindow.cpp:10970> "Searching proxy window: X2GO-andrew-51-1513021653_stDMATE_dp24" x2go-DEBUG-../src/onmainwindow.cpp:12575> "Searching window with title: X2GO-andrew-51-1513021653_stDMATE_dp24" x2go-DEBUG-../src/onmainwindow.cpp:10970> "Searching proxy window: X2GO-andrew-51-1513021653_stDMATE_dp24" x2go-DEBUG-../src/onmainwindow.cpp:12575> "Searching window with title: X2GO-andrew-51-1513021653_stDMATE_dp24" x2go-DEBUG-../src/onmainwindow.cpp:10970> "Searching proxy window: X2GO-andrew-51-1513021653_stDMATE_dp24" x2go-DEBUG-../src/onmainwindow.cpp:12575> "Searching window with title: X2GO-andrew-51-1513021653_stDMATE_dp24" x2go-DEBUG-../src/onmainwindow.cpp:10970> "Searching proxy window: X2GO-andrew-51-1513021653_stDMATE_dp24" x2go-DEBUG-../src/onmainwindow.cpp:12575> "Searching window with title: X2GO-andrew-51-1513021653_stDMATE_dp24" x2go-DEBUG-../src/onmainwindow.cpp:10976> "Proxy window found: 81789064" x2go-DEBUG-../src/sshprocess.cpp:109> New TCP connection. x2go-DEBUG-../src/sshprocess.cpp:114> New socket: 21 x2go-DEBUG-../src/sshmasterconnection.cpp:1517> Creating new channel.
x2go-DEBUG-../src/sshmasterconnection.cpp:1521> New channel:0x7fbb680165b0
x2go-DEBUG-../src/sshmasterconnection.cpp:1527> Forwarding new channel, local port: 43726
x2go-DEBUG-../src/sshmasterconnection.cpp:1545> New channel forwarded.
x2go-DEBUG-../src/sshmasterconnection.cpp:1704> "channel_write failed." - "Remote channel is closed"
x2go-DEBUG-../src/sshprocess.cpp:463> I/O error: "channel_write failed.""
- Remote channel is closed" (2).
x2go-DEBUG-../src/sshmasterconnection.cpp:1747> EOF sent.
x2go-DEBUG-../src/sshmasterconnection.cpp:1751> Channel closed.
x2go-DEBUG-../src/sshmasterconnection.cpp:1624> EOF on channel
0x7fbb68001330; SshProcess object: 2
x2go-DEBUG-../src/sshmasterconnection.cpp:1747> EOF sent.
x2go-DEBUG-../src/sshmasterconnection.cpp:1751> Channel closed.
x2go-DEBUG-../src/onmainwindow.cpp:6071> Proxy wrote on stderr: "Error:
Failure reading from the peer proxy.
"
x2go-DEBUG-../src/onmainwindow.cpp:6071> Proxy wrote on stderr: "Error:
Connection with remote peer broken.
Error: Please check the state of your network and retry.
Session: Terminating session at 'Tue Dec 12 01:41:25 2017'.
Session: Session terminated at 'Tue Dec 12 01:41:25 2017'.
"
x2go-DEBUG-../src/onmainwindow.cpp:5928> Deleting Proxy.
x2go-DEBUG-../src/onmainwindow.cpp:5977> Waiting for proxy to exit.
x2go-DEBUG-../src/onmainwindow.cpp:5997> Checking exit status.
x2go-DEBUG-../src/sshprocess.cpp:199> Executing remote command via
SshProcess object 3: "x2gocmdexitmessage
andrew-51-1513021653_stDMATE_dp24"
x2go-DEBUG-../src/sshprocess.cpp:204> this=SshProcess(0x55a66e0363c0)
Running masterCon->addChannelConnection(this, ' "<snip>" ', ' "bash -l -c 'echo "X2GODATABEGIN:<snip>"; export PATH="/usr/local/bin:/usr/bin:/bin"; export TERM="dumb"; x2gocmdexitmessage andrew-51-1513021653_stDMATE_dp24; echo "X2GOD" '); x2go-DEBUG-../src/sshmasterconnection.cpp:1325> Locking SSH channel connection MUTEX. x2go-DEBUG-../src/sshmasterconnection.cpp:1327> Passing new channel conenction object to channelConnections. x2go-DEBUG-../src/sshmasterconnection.cpp:1329> Unlocking SSH channel connection MUTEX. x2go-DEBUG-../src/sshmasterconnection.cpp:1517> Creating new channel.
x2go-DEBUG-../src/sshmasterconnection.cpp:1521> New channel:0x7fbb68001330
x2go-DEBUG-../src/sshmasterconnection.cpp:1552> Executing remote: "bash -l -c 'echo "X2GODATABEGIN:<snip>"; export PATH="/usr/local/bin:/usr/bin:/bin"; export TERM="dumb"; x2gocmdexitmessage andrew-51-1513021653_stDMATE_dp24; echo "X2GODATAEND:<snip>";'"
x2go-DEBUG-../src/onmainwindow.cpp:6054> Finished proxy. x2go-DEBUG-../src/sshprocess.cpp:109> New TCP connection. x2go-DEBUG-../src/sshprocess.cpp:114> New socket: 18 x2go-DEBUG-../src/sshmasterconnection.cpp:1560> "channel_open_session failed.": "Received SSH_MSG_DISCONNECT: 2:Received ieof for nonexistent channel 0."
x2go-DEBUG-../src/sshmasterconnection.cpp:1517> Creating new channel.
x2go-DEBUG-../src/sshmasterconnection.cpp:1521> New channel:0x7fbb68001250
x2go-DEBUG-../src/sshmasterconnection.cpp:1527> Forwarding new channel, local port: 52928
x2go-DEBUG-../src/sshmasterconnection.cpp:1539> "channel_open_forward failed.": "Socket error: Operation now in progress"
x2go-DEBUG-../src/sshprocess.cpp:463> I/O error: "channel_open_session failed."" - Received SSH_MSG_DISCONNECT: 2:Received ieof for nonexistent channel 0." (3). x2go-DEBUG-../src/sshprocess.cpp:463> I/O error: "channel_open_forward failed."" - Socket error: Operation now in progress" (2). x2go-DEBUG-../src/sshprocess.cpp:109> New TCP connection. x2go-DEBUG-../src/sshprocess.cpp:114> New socket: 15 x2go-DEBUG-../src/sshmasterconnection.cpp:1517> Creating new channel.
x2go-DEBUG-../src/sshmasterconnection.cpp:1521> New channel:0x7fbb68011ee0
x2go-DEBUG-../src/sshmasterconnection.cpp:1527> Forwarding new channel, local port: 52888
Segmentation fault